LCMS: Update FROM_16_TO_8 macro not to raise UBSan error

third_party/lcms2-2.6/src/lcms2_internal.h

 //<<<+++OPENSOURCE
 //<<<+++OPENSOURCE_MUST_BEGIN COMMENT==TRUE
 //
 //  Little Color Management System
 //  Copyright (c) 1998-2014 Marti Maria Saguer
 //
 // Permission is hereby granted, free of charge, to any person obtaining
 // a copy of this software and associated documentation files (the "Software"),
 // to deal in the Software without restriction, including without limitation
 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
@@ skipping 76 matching lines @@
 #       define snprintf  _snprintf
 # endif
 # ifndef vsnprintf
 #       define vsnprintf  _vsnprintf
 # endif
 #endif
 
 
 // A fast way to convert from/to 16 <-> 8 bits
 #define FROM_8_TO_16(rgb) (cmsUInt16Number) ((((cmsUInt16Number) (rgb)) << 8)|(rgb))
-#define FROM_16_TO_8(rgb) (cmsUInt8Number) ((((rgb) * 65281 + 8388608) >> 24) & 0xFF)
+#define FROM_16_TO_8(rgb) (cmsUInt8Number) ((((cmsUInt32Number)(rgb) * 65281U + 8388608U) >> 24) & 0xFFU)
 
 // Code analysis is broken on asserts
 #ifdef _MSC_VER
 #    if (_MSC_VER >= 1500)
 #            define _cmsAssert(a)  { assert((a)); __analysis_assume((a)); }
 #     else
 #            define _cmsAssert(a)   assert((a))
 #     endif
 #else
 #      define _cmsAssert(a)   assert((a))
@@ skipping 915 matching lines @@
                             cmsUInt32Number        dwFlags);
 
 cmsBool   _cmsAdaptationMatrix(cmsMAT3* r, const cmsMAT3* ConeMatrix, const cmsCIEXYZ* FromIll, const cmsCIEXYZ* ToIll);
 
 cmsBool   _cmsBuildRGB2XYZtransferMatrix(cmsMAT3* r, const cmsCIExyY* WhitePoint, const cmsCIExyYTRIPLE* Primaries);
 
 
 #define _lcms_internal_H
 #endif
 //<<<+++OPENSOURCE_MUST_END